Parts Needed To Install Tekonsha Primus IQ on 2022 Toyota Highlander Around Brake Switch

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Question:

I am installing a tekonsha primus iq brake controller in my 2022 Toyota highlander. I am hesitant to use wire clips to tap into the brake wires coming out of the harness behind the brake pedal, they are so small! Is there an alternative wiring suggestion? What about running a line from the rear overhead brake light and running a wire back to the controller?, or the back up camera wire? The space under the dash is just so tight and there is virtually no extra wire if I happen to cut one of the 3 blue brake light wires. Are other customers reporting the same concerns? I watched your installation video, but there is not nearly the wire available on my 2022. Do you sell a harness i can snap into? Any other suggestions would be much appreciated. Thanks for your help!

asked by: Dalton I

1

Helpful Expert Reply:

I have seen the Roadmaster Universal Stop Light Switch Kit # RM-751000 used as an alternative to tapping into the brake switch wiring. There are 3 wire connections for this switch. First a fused power wire, a ground wire and the output wire for the brake controller.

This will allow you to wire in the Tekonsha Primus IQ Trailer Brake Controller # TK90160 with the Pigtail Wiring Harness # 7894 on your 2022 Toyota Highlander, without tapping into your brake switch wiring. The Universal Installation Kit for Trailer Brake Controller # ETBC7 contains the 7-way and wiring. Let me know if you do not already have a 4-way on your Highlander.

I do not recommend trying to tie into any of the brake lights to get the input signal for the brake controller.

expert reply by: Bud M

1

Answer 1

The dealer tech you talked to is somewhat correct. The issue is that the red brake output wire can back feed into the wiring of your 2020 Toyota Highlander, but there is a fix that will fix this. Your Highlander will need to have a Tekonsha,…

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Answer 2

The Pigtail Wiring Harness with Diode for Tekonsha and Draw-Tite Brake Controllers part #7865 is required for a 2019 Toyota Highlander no matter which trailer connector or brake controller you're using as the diode is on the stop light switch…

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Answer 3

The Deka Jacketed 2 Wire, 10 Gauge, Brake Wire #10-2-1 is sold by the foot, so you'd need to order based off the footage needed. For example, if you needed 4 feet you'd need to order 4 and so on. So if you're two feet short, you'd…

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Answer 4

The most likely issue is a blown or missing fuse for the trailer lighting. Locate the fuse panel under the hood, on the driver's side, near the fender. Your Owner's Manual can additionally provide you a picture of the location and…

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Answer 5

If you take a look at the accompanying photo you can see our installer point out the exact location where you need to install the fuse in your 2018 Toyota Highlander when installing the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer…

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Answer 6

For your 2022 Toyota Highlander, along with the Redarc Tow Pro Elite #RED44FR, you're also going to need a 4-flat trailer connector #TK99FR, and a 7-way trailer connector #ETBC7. If you have the factory towing package, you can use the T-One…

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Answer 7

For some reason Toyota isn't very forthcoming with how to figure out if you have the tow package or not. From my understanding all of the V6 models of the 2019 Toyota Highlander have the tow package but it isn't specified as to what else…

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Answer 8

For your 2022 Toyota Highlander the correct and best option for a 4-way harness is the part #TK99FR for if you do not have the tow package or the #TK74FR for if you do have the tow package. If you are not sure whether or not you have the factory tow…

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Answer 9

Most if not all trailer wiring harnesses/connectors use larger wires for the 12 volt and ground circuits compared to the other circuits (lights). The sockets themselves don't have an amperage rating so you will go by the draw of the things…

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Answer 10

Because of their superior reliability, I'd recommend the #TK99FR T-One Wiring Harness from Tekonsha. As you can see by clicking the provided video and installation instruction links, the install is pretty straightforward. This is a two piece…

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Answer 11

There is not a replacement 7-way harness, but you can add one to your 2022 Toyota Highlander, and to do so all you'll need is the following: - Universal Installation Kit for Trailer Brake Controller #ETBC7 You'll plug your 4-way into the…

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Answer 12

You're exactly correct! The Redarc Tow-Pro Liberty #RED24FR, the Toyota 4Runner Specific #RED49FR brake controller wiring harness and the #331-TPSI-001 mounting bezel would work perfectly for you. The #RED49FR wiring harness would plug into the…

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Parts Needed To Install Tekonsha Primus IQ on 2022 Toyota Highlander Around Brake Switch

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